Home / 346,731.80-520,097.70-178,770.20

Finding the Fourth Proportional to 346,731.80, 520,097.70 and 178,770.20

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Solution

The fourth proportional to 346,731.80, 520,097.70 and 178,770.20 is: 268,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,731.80 : 520,097.70 = 178,770.20 : x
  2. Step 2: Convert to fraction form
    346,731.80/520,097.70 = 178,770.20/x
  3. Step 3: Cross multiply
    346,731.80x = 520,097.70 × 178,770.20
  4. Step 4: Simplify right side
    346,731.80x = 92,977,969,848.54
  5. Step 5: Solve for x
    x = 92,977,969,848.54/346,731.80
  6. Step 6: Final answer
    x = 268,155.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.